APA (7th ed.) Citation
Workshop Semigroups and Languages Lisbon, Portugal, Universidade de Lisboa. Centro de Algebra, ebrary, Inc, & Araújo, I. M. (2004). Proceedings of the Workshop Semigroups and Languages: Lisboa, Portugal, 27-29 November 2002. World Scientific.
Chicago Style (17th ed.) Citation
Workshop Semigroups and Languages Lisbon, Portugal, Universidade de Lisboa. Centro de Algebra, Inc ebrary, and Isabel M. Araújo. Proceedings of the Workshop Semigroups and Languages: Lisboa, Portugal, 27-29 November 2002. River Edge, NJ: World Scientific, 2004.
MLA (9th ed.) Citation
Workshop Semigroups and Languages Lisbon, Portugal, et al. Proceedings of the Workshop Semigroups and Languages: Lisboa, Portugal, 27-29 November 2002. World Scientific, 2004.
Warning: These citations may not always be 100% accurate.